JQ的表单验证

(function () {
                $("#but").click(function () {
                    if ($("#name").val() == "" || $("#name").val() == "请输入您的真实姓名") {
                        alert("请输入患者姓名");
                        return false;
                    }
                    if ($("#tel").val() == "" || $("#tel").val() == "输入您的常用电话号码") {
                        alert("请输入电话号码");
                        return false;
                    }
                    if ($("#date").val() == "" || $("#date").val() == "点击选择就诊日期") {
                        alert("请输入就诊日期");
                        return false;
                    }
                    var tels = /^((\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$)$/;
                    var pattern = /^[\u4E00-\u9FA5]{1,6}$/;
                    if (!pattern.test($(‘#name‘).val())) {
                        alert("正确的姓名！");
                        return false;
                    }
                    if (!tels.test($(‘#tel‘).val())) {
                        alert("请正确填写电话号码！");
                        return false;
                    }
                })
            })();